92hd99 Integrated Device Technology, 92hd99 Datasheet - Page 42

• Manufacturer Part Number: 92hd99
• Description: Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
DMIC_CLK Frequency
DMIC_CLK Period
DMIC_CLK jitter
DMIC Data setup
DMIC Data hold
Input High Voltage
Input Low Voltage
Output High Voltage
3.5.2.
3.5.3.
Parameter
Parameter
Digital Microphone Timing
GPIO Characteristics
input level at or above which a 1 is
input level at or below which a 0 is
Setup for the microphone data at
Hold for the microphone data at
Average DMIC_CLK frequency
both rising and falling edges of
both rising and falling edges of
VDD may be DVDD or AVDD
VDD may be DVDD or AVDD
Period of DMIC_CLK
Figure 14. HD Audio Bus Timing
depending on pin
reliably recorded
reliably recorded
DMIC_CLK jitter
DMIC_CLK
DMIC_CLK
iout = 4mA
Definition
Definition
Table 22. GPIO Characteristics
Table 21. Digital Mic timing
42
Tdmic_cyc
Tdmic_su
Tdmic_h
Symbol
Symbol
Voh
Vih
Vil
850.34
1.176
0.6 x
VDD
0.9 x
VDD
Min
Min
5
5
425.17
2.352
Typ
Typ
212.59
0.35 x
4.704
5000
VDD
Max
Max
V 0.91 10/10
Units
Units
MHz
92HD99
ns
ps
ns
ns
V
V
V